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A134997
as a simple table
n
a(n)
1
2
2
1
3
2
4
2
5
1
6
14
7
40
8
52
9
228
10
482
11
1592
12
4758
13
15810
14
53202
15
197429
16
725196
[2,1,2,2,1,14,40,52,228,482,1592,4758,15810,53202, 197429,725196]